zhsw_wechat/pages/zhangdanxiangqing/zdxiangqing.js

const app = getApp()

Page({
  data: {
    billDetail: {}
  },
  onLoad: function(options) {
    if (options.billInfo) {
      try {
        const billDetail = JSON.parse(decodeURIComponent(options.billInfo));
      
        this.setData({
          billDetail: billDetail
        });
      } catch (e) {
        console.error('解析账单数据失败', e);
        wx.showToast({
          title: '加载账单数据失败',
          icon: 'none'
        });
      }
    }
  },

  goBack: function() {
    wx.navigateBack();
  },

  getInvoice: function() {
    wx.showToast({
      title: '开具发票功能开发中',
      icon: 'none'
    });
  }
})